DE69720785D1 - Verminderung von stickoxid - Google Patents

Verminderung von stickoxid

Info

Publication number
DE69720785D1
DE69720785D1 DE69720785T DE69720785T DE69720785D1 DE 69720785 D1 DE69720785 D1 DE 69720785D1 DE 69720785 T DE69720785 T DE 69720785T DE 69720785 T DE69720785 T DE 69720785T DE 69720785 D1 DE69720785 D1 DE 69720785D1
Authority
DE
Germany
Prior art keywords
nitrogen oxide
reduction
catalyst
gold
transition metal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE69720785T
Other languages
English (en)
Other versions
DE69720785T2 (de
Inventor
Anthony Tumilty
Harold Gafin
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anglo American Research Laboratories Pty Ltd
Original Assignee
Anglo American Research Laboratories Pty Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Anglo American Research Laboratories Pty Ltd filed Critical Anglo American Research Laboratories Pty Ltd
Publication of DE69720785D1 publication Critical patent/DE69720785D1/de
Application granted granted Critical
Publication of DE69720785T2 publication Critical patent/DE69720785T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/9445—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC]
    • B01D53/945—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC] characterised by a specific catalyst
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/48—Silver or gold
    • B01J23/52—Gold
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
    • B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/84—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/889—Manganese, technetium or rhenium
    • B01J23/8892—Manganese
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
    • B01J23/89—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with noble metals
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/10—Noble metals or compounds thereof
    • B01D2255/106—Gold
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02C—CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
    • Y02C20/00—Capture or disposal of greenhouse gases
    • Y02C20/10—Capture or disposal of greenhouse gases of nitrous oxide (N2O)
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Combustion & Propulsion (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Exhaust Gas After Treatment (AREA)
DE69720785T 1997-01-22 1997-01-22 Verminderung von stickoxid Expired - Fee Related DE69720785T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/GB1997/000184 WO1998032524A1 (en) 1997-01-22 1997-01-22 Reduction of nitrogen oxide

Publications (2)

Publication Number Publication Date
DE69720785D1 true DE69720785D1 (de) 2003-05-15
DE69720785T2 DE69720785T2 (de) 2004-02-12

Family

ID=10805606

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69720785T Expired - Fee Related DE69720785T2 (de) 1997-01-22 1997-01-22 Verminderung von stickoxid

Country Status (7)

Country Link
EP (1) EP0954370B1 (de)
JP (1) JP2001508360A (de)
AT (1) ATE236705T1 (de)
AU (1) AU733455B2 (de)
CA (1) CA2278360A1 (de)
DE (1) DE69720785T2 (de)
WO (1) WO1998032524A1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6379640B1 (en) * 1999-03-05 2002-04-30 E. I. Du Pont De Nemours And Company Process for the decomposition of nitrous oxide
NO313494B1 (no) * 2000-07-05 2002-10-14 Norsk Hydro As Katalysator for spalting av dinitrogenoksid og fremgangsmåte ved utförelse av prosesser hvor det dannes dinitrogenoksid
EP1724012A1 (de) * 2005-05-21 2006-11-22 Degussa AG Katalysator bestehende aus Gold auf einem Cerium- und Manganoxid träger
JP4806613B2 (ja) * 2006-09-25 2011-11-02 バブコック日立株式会社 ガス浄化方法，ガス浄化装置及びガス浄化触媒
JP4867794B2 (ja) * 2007-05-30 2012-02-01 トヨタ自動車株式会社 排ガス浄化用触媒及びその製造方法
WO2014181289A2 (en) * 2013-05-08 2014-11-13 Saudi Basic Industries Corporation Gold containing catalysts for propane dehydrogenation

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1581628A (en) * 1976-03-18 1980-12-17 Johnson Matthey Co Ltd Catalytic purification of automobile exhaust gases
US4162235A (en) * 1976-06-17 1979-07-24 Johnson, Matthey & Co., Limited Catalysts
ES2132728T3 (es) * 1994-11-02 1999-08-16 Anglo American Res Lab Pty Ltd Catalizador con soporte de oxido de zirconio/oxido de cerio.

Also Published As

Publication number Publication date
AU733455B2 (en) 2001-05-17
EP0954370B1 (de) 2003-04-09
WO1998032524A1 (en) 1998-07-30
ATE236705T1 (de) 2003-04-15
DE69720785T2 (de) 2004-02-12
JP2001508360A (ja) 2001-06-26
CA2278360A1 (en) 1998-07-30
EP0954370A1 (de) 1999-11-10
AU1450297A (en) 1998-08-18

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee